70006485851 has 4 divisors (see below), whose sum is σ = 70008278712. Its totient is φ = 70004692992.

The previous prime is 70006485833. The next prime is 70006485883. The reversal of 70006485851 is 15858460007.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15858460007 = 13 ⋅1219881539.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70006485851 is a prime.

It is a super-2 number, since 2×70006485851² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70006485811) 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, 836525 + ... + 916398.

It is an arithmetic number, because the mean of its divisors is an integer number (17502069678).

Almost surely, 2^70006485851 is an apocalyptic number.

70006485851 is a deficient number, since it is larger than the sum of its proper divisors (1792861).

70006485851 is a wasteful number, since it uses less digits than its factorization.

70006485851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792860.

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 70006485851 in words is "seventy billion, six million, four hundred eighty-five thousand, eight hundred fifty-one".