189620094970 has 16 divisors (see below), whose sum is σ = 341589465000. Its totient is φ = 75787305984.

The previous prime is 189620094953. The next prime is 189620094997. The reversal of 189620094970 is 79490026981.

It can be written as a sum of positive squares in 4 ways, for example, as 172458308961 + 17161786009 = 415281^2 + 131003^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7578387 + ... + 7603366.

Almost surely, 2^189620094970 is an apocalyptic number.

189620094970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189620094970 is a deficient number, since it is larger than the sum of its proper divisors (151969370030).

189620094970 is a wasteful number, since it uses less digits than its factorization.

189620094970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15183009.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 189620094970 in words is "one hundred eighty-nine billion, six hundred twenty million, ninety-four thousand, nine hundred seventy".