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BaseRepresentation
bin101000111101001…
…1010100001100101
310112202221000121001
41101322122201211
510303303024433
6344211153301
746025036524
oct12172324145
93482830531
101374267493
11645813565
123242a5831
1318b93c041
14d07344bb
15809b057d
hex51e9a865

1374267493 has 2 divisors, whose sum is σ = 1374267494. Its totient is φ = 1374267492.

The previous prime is 1374267449. The next prime is 1374267547. The reversal of 1374267493 is 3947624731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1022592484 + 351675009 = 31978^2 + 18753^2 .

It is an emirp because it is prime and its reverse (3947624731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1374267493 - 221 = 1372170341 is a prime.

It is a super-2 number, since 2×13742674932 = 3777222284633010098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1374267443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687133746 + 687133747.

It is an arithmetic number, because the mean of its divisors is an integer number (687133747).

Almost surely, 21374267493 is an apocalyptic number.

It is an amenable number.

1374267493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1374267493 is an equidigital number, since it uses as much as digits as its factorization.

1374267493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 46.

The square root of 1374267493 is about 37071.1139972890. The cubic root of 1374267493 is about 1111.7925458473.

The spelling of 1374267493 in words is "one billion, three hundred seventy-four million, two hundred sixty-seven thousand, four hundred ninety-three".