70265465381 has 4 divisors (see below), whose sum is σ = 70283715264. Its totient is φ = 70247215500.

The previous prime is 70265465329. The next prime is 70265465401. The reversal of 70265465381 is 18356456207.

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 70265465381 - 2²² = 70261271077 is a prime.

It is a super-2 number, since 2×70265465381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70265365381) 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, 9119165 + ... + 9126866.

It is an arithmetic number, because the mean of its divisors is an integer number (17570928816).

Almost surely, 2^70265465381 is an apocalyptic number.

It is an amenable number.

70265465381 is a deficient number, since it is larger than the sum of its proper divisors (18249883).

70265465381 is a wasteful number, since it uses less digits than its factorization.

70265465381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18249882.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 70265465381 in words is "seventy billion, two hundred sixty-five million, four hundred sixty-five thousand, three hundred eighty-one".