706556038531 has 4 divisors (see below), whose sum is σ = 807492615472. Its totient is φ = 605619461592.

The previous prime is 706556038471. The next prime is 706556038561. The reversal of 706556038531 is 135830655607.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 706556038531 - 2⁷ = 706556038403 is a prime.

It is a super-2 number, since 2×706556038531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706556038561) 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, 50468288460 + ... + 50468288473.

It is an arithmetic number, because the mean of its divisors is an integer number (201873153868).

Almost surely, 2^706556038531 is an apocalyptic number.

706556038531 is a deficient number, since it is larger than the sum of its proper divisors (100936576941).

706556038531 is a wasteful number, since it uses less digits than its factorization.

706556038531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100936576940.

The product of its (nonzero) digits is 2268000, while the sum is 49.

The spelling of 706556038531 in words is "seven hundred six billion, five hundred fifty-six million, thirty-eight thousand, five hundred thirty-one".