10201978486 has 32 divisors (see below), whose sum is σ = 18257545728. Its totient is φ = 4180334400.

The previous prime is 10201978481. The next prime is 10201978487. The reversal of 10201978486 is 68487910201.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201978481) 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, 912466 + ... + 923578.

It is an arithmetic number, because the mean of its divisors is an integer number (570548304).

Almost surely, 2^10201978486 is an apocalyptic number.

10201978486 is a deficient number, since it is larger than the sum of its proper divisors (8055567242).

10201978486 is a wasteful number, since it uses less digits than its factorization.

10201978486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13996.

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 10201978486 in words is "ten billion, two hundred one million, nine hundred seventy-eight thousand, four hundred eighty-six".