70348863949 has 24 divisors (see below), whose sum is σ = 88443198648. Its totient is φ = 55462417920.

The previous prime is 70348863931. The next prime is 70348863961. The reversal of 70348863949 is 94936884307.

It can be written as a sum of positive squares in 4 ways, for example, as 146652100 + 70202211849 = 12110^2 + 264957^2 .

It is not a de Polignac number, because 70348863949 - 2⁵ = 70348863917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70348863919) 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, 17512 + ... + 375505.

It is an arithmetic number, because the mean of its divisors is an integer number (3685133277).

Almost surely, 2^70348863949 is an apocalyptic number.

It is an amenable number.

70348863949 is a deficient number, since it is larger than the sum of its proper divisors (18094334699).

70348863949 is a wasteful number, since it uses less digits than its factorization.

70348863949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393325 (or 393318 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 61.

The spelling of 70348863949 in words is "seventy billion, three hundred forty-eight million, eight hundred sixty-three thousand, nine hundred forty-nine".