70530178949 has 4 divisors (see below), whose sum is σ = 70531255200. Its totient is φ = 70529102700.

The previous prime is 70530178931. The next prime is 70530178981. The reversal of 70530178949 is 94987103507.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94987103507 = 271 ⋅350505917.

It is a cyclic number.

It is not a de Polignac number, because 70530178949 - 2²⁴ = 70513401733 is a prime.

It is a super-2 number, since 2×70530178949² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70530178949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70530178909) 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, 432977 + ... + 573174.

It is an arithmetic number, because the mean of its divisors is an integer number (17632813800).

Almost surely, 2^70530178949 is an apocalyptic number.

It is an amenable number.

70530178949 is a deficient number, since it is larger than the sum of its proper divisors (1076251).

70530178949 is a wasteful number, since it uses less digits than its factorization.

70530178949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076250.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 70530178949 in words is "seventy billion, five hundred thirty million, one hundred seventy-eight thousand, nine hundred forty-nine".