69382001257 has 4 divisors (see below), whose sum is σ = 70557967440. Its totient is φ = 68206035076.

The previous prime is 69382001237. The next prime is 69382001309. The reversal of 69382001257 is 75210028396.

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 a de Polignac number, because none of the positive numbers 2^k-69382001257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69382001237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587983003 + ... + 587983120.

It is an arithmetic number, because the mean of its divisors is an integer number (17639491860).

Almost surely, 2^69382001257 is an apocalyptic number.

It is an amenable number.

69382001257 is a deficient number, since it is larger than the sum of its proper divisors (1175966183).

69382001257 is a wasteful number, since it uses less digits than its factorization.

69382001257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175966182.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 69382001257 in words is "sixty-nine billion, three hundred eighty-two million, one thousand, two hundred fifty-seven".