1722402990004 has 6 divisors (see below), whose sum is σ = 3014205232514. Its totient is φ = 861201495000.

The previous prime is 1722402989987. The next prime is 1722402990023. The reversal of 1722402990004 is 4000992042271.

It can be written as a sum of positive squares in only one way, i.e., 1376539027600 + 345863962404 = 1173260^2 + 588102^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215300373747 + ... + 215300373754.

Almost surely, 2^{1722402990004} is an apocalyptic number.

It is an amenable number.

1722402990004 is a deficient number, since it is larger than the sum of its proper divisors (1291802242510).

1722402990004 is a wasteful number, since it uses less digits than its factorization.

1722402990004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430600747505 (or 430600747503 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 1722402990004 in words is "one trillion, seven hundred twenty-two billion, four hundred two million, nine hundred ninety thousand, four".