1970845929 has 24 divisors (see below), whose sum is σ = 3083513160. Its totient is φ = 1205805312.

The previous prime is 1970845913. The next prime is 1970845939. The reversal of 1970845929 is 9295480791.

It can be written as a sum of positive squares in 4 ways, for example, as 1041998400 + 928847529 = 32280^2 + 30477^2 .

It is not a de Polignac number, because 1970845929 - 2⁴ = 1970845913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1970845939) 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, 28444 + ... + 68925.

It is an arithmetic number, because the mean of its divisors is an integer number (128479715).

Almost surely, 2^1970845929 is an apocalyptic number.

It is an amenable number.

1970845929 is a deficient number, since it is larger than the sum of its proper divisors (1112667231).

1970845929 is a wasteful number, since it uses less digits than its factorization.

1970845929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97561 (or 97558 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The square root of 1970845929 is about 44394.2105347082. The cubic root of 1970845929 is about 1253.7690886075.

The spelling of 1970845929 in words is "one billion, nine hundred seventy million, eight hundred forty-five thousand, nine hundred twenty-nine".