70990892485 has 8 divisors (see below), whose sum is σ = 85232791800. Its totient is φ = 56763566784.

The previous prime is 70990892437. The next prime is 70990892513. The reversal of 70990892485 is 58429809907.

It can be written as a sum of positive squares in 4 ways, for example, as 3087913761 + 67902978724 = 55569^2 + 260582^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70990892485 - 2²¹ = 70988795333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3632682 + ... + 3652171.

It is an arithmetic number, because the mean of its divisors is an integer number (10654098975).

Almost surely, 2^70990892485 is an apocalyptic number.

It is an amenable number.

70990892485 is a deficient number, since it is larger than the sum of its proper divisors (14241899315).

70990892485 is a wasteful number, since it uses less digits than its factorization.

70990892485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7286807.

The product of its (nonzero) digits is 13063680, while the sum is 61.

The spelling of 70990892485 in words is "seventy billion, nine hundred ninety million, eight hundred ninety-two thousand, four hundred eighty-five".