2057929469 has 2 divisors, whose sum is σ = 2057929470. Its totient is φ = 2057929468.

The previous prime is 2057929459. The next prime is 2057929507. The reversal of 2057929469 is 9649297502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2039696569 + 18232900 = 45163^2 + 4270^2 .

It is a cyclic number.

It is not a de Polignac number, because 2057929469 - 2⁴ = 2057929453 is a prime.

It is a super-2 number, since 2×2057929469² = 8470147398757243922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2057929469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2057929459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028964734 + 1028964735.

It is an arithmetic number, because the mean of its divisors is an integer number (1028964735).

Almost surely, 2^2057929469 is an apocalyptic number.

It is an amenable number.

2057929469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2057929469 is an equidigital number, since it uses as much as digits as its factorization.

2057929469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The square root of 2057929469 is about 45364.4075129390. The cubic root of 2057929469 is about 1271.9698838264.

It can be divided in two parts, 20579 and 29469, that multiplied together give a triangular number (606442551 = T₃₄₈₂₆).

The spelling of 2057929469 in words is "two billion, fifty-seven million, nine hundred twenty-nine thousand, four hundred sixty-nine".