249788020001 has 16 divisors (see below), whose sum is σ = 274160006400. Its totient is φ = 226181628288.

The previous prime is 249788019983. The next prime is 249788020007. The reversal of 249788020001 is 100020887942.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249788020001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249788020007) 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, 391796 + ... + 808133.

It is an arithmetic number, because the mean of its divisors is an integer number (17135000400).

Almost surely, 2^249788020001 is an apocalyptic number.

It is an amenable number.

249788020001 is a deficient number, since it is larger than the sum of its proper divisors (24371986399).

249788020001 is a wasteful number, since it uses less digits than its factorization.

249788020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200248.

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 249788020001 in words is "two hundred forty-nine billion, seven hundred eighty-eight million, twenty thousand, one".