257065462063703 has 64 divisors (see below), whose sum is σ = 287429086973952. Its totient is φ = 229155956789760.

The previous prime is 257065462063651. The next prime is 257065462063727. The reversal of 257065462063703 is 307360264560752.

It is not a de Polignac number, because 257065462063703 - 2⁶ = 257065462063639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257065462063733) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 386452733 + ... + 387117353.

It is an arithmetic number, because the mean of its divisors is an integer number (4491079483968).

Almost surely, 2^{257065462063703} is an apocalyptic number.

257065462063703 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

257065462063703 is a deficient number, since it is larger than the sum of its proper divisors (30363624910249).

257065462063703 is a wasteful number, since it uses less digits than its factorization.

257065462063703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664944.

The product of its (nonzero) digits is 38102400, while the sum is 56.

The spelling of 257065462063703 in words is "two hundred fifty-seven trillion, sixty-five billion, four hundred sixty-two million, sixty-three thousand, seven hundred three".