731863190145 has 16 divisors (see below), whose sum is σ = 1171911222720. Its totient is φ = 390016995264.

The previous prime is 731863190143. The next prime is 731863190153. The reversal of 731863190145 is 541091368137.

It is not a de Polignac number, because 731863190145 - 2¹ = 731863190143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 731863190094 and 731863190103.

It is not an unprimeable number, because it can be changed into a prime (731863190143) 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, 19357954 + ... + 19395723.

It is an arithmetic number, because the mean of its divisors is an integer number (73244451420).

Almost surely, 2^731863190145 is an apocalyptic number.

It is an amenable number.

731863190145 is a deficient number, since it is larger than the sum of its proper divisors (440048032575).

731863190145 is a wasteful number, since it uses less digits than its factorization.

731863190145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38754944.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 731863190145 in words is "seven hundred thirty-one billion, eight hundred sixty-three million, one hundred ninety thousand, one hundred forty-five".