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1349033989 is a prime number
BaseRepresentation
bin101000001101000…
…1010000000000101
310111000110000201211
41100122022000011
510230323041424
6341510251421
745300412462
oct12032120005
93430400654
101349033989
11632549226
12317956b71
13186645784
14cb246669
157d678b94
hex5068a005

1349033989 has 2 divisors, whose sum is σ = 1349033990. Its totient is φ = 1349033988.

The previous prime is 1349033923. The next prime is 1349034007. The reversal of 1349033989 is 9893309431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1026113089 + 322920900 = 32033^2 + 17970^2 .

It is a cyclic number.

It is not a de Polignac number, because 1349033989 - 211 = 1349031941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1349031989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674516994 + 674516995.

It is an arithmetic number, because the mean of its divisors is an integer number (674516995).

Almost surely, 21349033989 is an apocalyptic number.

It is an amenable number.

1349033989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349033989 is an equidigital number, since it uses as much as digits as its factorization.

1349033989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 49.

The square root of 1349033989 is about 36729.1980446075. The cubic root of 1349033989 is about 1104.9457707667.

The spelling of 1349033989 in words is "one billion, three hundred forty-nine million, thirty-three thousand, nine hundred eighty-nine".