8409145970 has 64 divisors (see below), whose sum is σ = 16086470400. Its totient is φ = 3156122880.

The previous prime is 8409145939. The next prime is 8409145993. The reversal of 8409145970 is 795419048.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15096932 + ... + 15097488.

It is an arithmetic number, because the mean of its divisors is an integer number (251351100).

Almost surely, 2^8409145970 is an apocalyptic number.

8409145970 is a deficient number, since it is larger than the sum of its proper divisors (7677324430).

8409145970 is a wasteful number, since it uses less digits than its factorization.

8409145970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 8409145970 is about 91701.3956818543. The cubic root of 8409145970 is about 2033.5302182968.

The spelling of 8409145970 in words is "eight billion, four hundred nine million, one hundred forty-five thousand, nine hundred seventy".