1642972425003 has 48 divisors (see below), whose sum is σ = 2921985882816. Its totient is φ = 866282791680.

The previous prime is 1642972424999. The next prime is 1642972425019. The reversal of 1642972425003 is 3005242792461.

1642972425003 is a `hidden beast` number, since 16 + 4 + 2 + 97 + 2 + 42 + 500 + 3 = 666.

It is not a de Polignac number, because 1642972425003 - 2² = 1642972424999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1642972425003.

It is not an unprimeable number, because it can be changed into a prime (1642972425023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1701913 + ... + 2486453.

It is an arithmetic number, because the mean of its divisors is an integer number (60874705892).

Almost surely, 2^{1642972425003} is an apocalyptic number.

1642972425003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1642972425003 is a deficient number, since it is larger than the sum of its proper divisors (1279013457813).

1642972425003 is a wasteful number, since it uses less digits than its factorization.

1642972425003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787124 (or 787121 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 1642972425003 in words is "one trillion, six hundred forty-two billion, nine hundred seventy-two million, four hundred twenty-five thousand, three".