70121654239 has 24 divisors (see below), whose sum is σ = 91345050240. Its totient is φ = 52560806688.

The previous prime is 70121654231. The next prime is 70121654299. The reversal of 70121654239 is 93245612107.

It is a happy number.

It is not a de Polignac number, because 70121654239 - 2³ = 70121654231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70121654231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1537377 + ... + 1582330.

It is an arithmetic number, because the mean of its divisors is an integer number (3806043760).

Almost surely, 2^70121654239 is an apocalyptic number.

70121654239 is a deficient number, since it is larger than the sum of its proper divisors (21223396001).

70121654239 is a wasteful number, since it uses less digits than its factorization.

70121654239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119759 (or 3119746 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 70121654239 in words is "seventy billion, one hundred twenty-one million, six hundred fifty-four thousand, two hundred thirty-nine".