2929490731257 has 4 divisors (see below), whose sum is σ = 3905987641680. Its totient is φ = 1952993820836.

The previous prime is 2929490731207. The next prime is 2929490731289. The reversal of 2929490731257 is 7521370949292.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2929490731257 - 2¹⁰ = 2929490730233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2929490731257.

It is not an unprimeable number, because it can be changed into a prime (2929490731207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488248455207 + ... + 488248455212.

It is an arithmetic number, because the mean of its divisors is an integer number (976496910420).

Almost surely, 2^{2929490731257} is an apocalyptic number.

It is an amenable number.

2929490731257 is a deficient number, since it is larger than the sum of its proper divisors (976496910423).

2929490731257 is an equidigital number, since it uses as much as digits as its factorization.

2929490731257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976496910422.

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 2929490731257 in words is "two trillion, nine hundred twenty-nine billion, four hundred ninety million, seven hundred thirty-one thousand, two hundred fifty-seven".