70251263392 has 12 divisors (see below), whose sum is σ = 138307174866. Its totient is φ = 35125631680.

The previous prime is 70251263371. The next prime is 70251263393. The reversal of 70251263392 is 29336215207.

It can be written as a sum of positive squares in only one way, i.e., 69994110096 + 257153296 = 264564^2 + 16036^2 .

It is not an unprimeable number, because it can be changed into a prime (70251263393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097675959 + ... + 1097676022.

Almost surely, 2^70251263392 is an apocalyptic number.

It is an amenable number.

70251263392 is a deficient number, since it is larger than the sum of its proper divisors (68055911474).

70251263392 is a wasteful number, since it uses less digits than its factorization.

70251263392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195351991 (or 2195351983 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

Adding to 70251263392 its reverse (29336215207), we get a palindrome (99587478599).

The spelling of 70251263392 in words is "seventy billion, two hundred fifty-one million, two hundred sixty-three thousand, three hundred ninety-two".