290729972385 has 16 divisors (see below), whose sum is σ = 516853284480. Its totient is φ = 155055985200.

The previous prime is 290729972383. The next prime is 290729972399. The reversal of 290729972385 is 583279927092.

290729972385 is a `hidden beast` number, since 290 + 7 + 29 + 97 + 238 + 5 = 666.

It is not a de Polignac number, because 290729972385 - 2¹ = 290729972383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (290729972383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1076777541 + ... + 1076777810.

It is an arithmetic number, because the mean of its divisors is an integer number (32303330280).

Almost surely, 2^290729972385 is an apocalyptic number.

It is an amenable number.

290729972385 is a deficient number, since it is larger than the sum of its proper divisors (226123312095).

290729972385 is a wasteful number, since it uses less digits than its factorization.

290729972385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153555365 (or 2153555359 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 290729972385 in words is "two hundred ninety billion, seven hundred twenty-nine million, nine hundred seventy-two thousand, three hundred eighty-five".