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1376263997 is a prime number
BaseRepresentation
bin101001000001000…
…0001111100111101
310112220200110021122
41102002001330331
510304310421442
6344322040325
746051023323
oct12202017475
93486613248
101376263997
11646957569
12324aa90a5
1318c18a9c4
14d0ad3d13
1580c56dd2
hex52081f3d

1376263997 has 2 divisors, whose sum is σ = 1376263998. Its totient is φ = 1376263996.

The previous prime is 1376263961. The next prime is 1376264039. The reversal of 1376263997 is 7993626731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1092038116 + 284225881 = 33046^2 + 16859^2 .

It is a cyclic number.

It is not a de Polignac number, because 1376263997 - 218 = 1376001853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1376263927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688131998 + 688131999.

It is an arithmetic number, because the mean of its divisors is an integer number (688131999).

Almost surely, 21376263997 is an apocalyptic number.

It is an amenable number.

1376263997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1376263997 is an equidigital number, since it uses as much as digits as its factorization.

1376263997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2571912, while the sum is 53.

The square root of 1376263997 is about 37098.0322523985. The cubic root of 1376263997 is about 1112.3306808257.

The spelling of 1376263997 in words is "one billion, three hundred seventy-six million, two hundred sixty-three thousand, nine hundred ninety-seven".