70235139607 has 4 divisors (see below), whose sum is σ = 70278792640. Its totient is φ = 70191486576.

The previous prime is 70235139599. The next prime is 70235139619. The reversal of 70235139607 is 70693153207.

It is a happy number.

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 70235139607 - 2³ = 70235139599 is a prime.

It is a super-2 number, since 2×70235139607² (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 (70235139707) 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, 21824103 + ... + 21827320.

It is an arithmetic number, because the mean of its divisors is an integer number (17569698160).

Almost surely, 2^70235139607 is an apocalyptic number.

70235139607 is a deficient number, since it is larger than the sum of its proper divisors (43653033).

70235139607 is a wasteful number, since it uses less digits than its factorization.

70235139607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43653032.

The product of its (nonzero) digits is 238140, while the sum is 43.

The spelling of 70235139607 in words is "seventy billion, two hundred thirty-five million, one hundred thirty-nine thousand, six hundred seven".