19460562945 has 64 divisors (see below), whose sum is σ = 34062336000. Its totient is φ = 9451019520.

The previous prime is 19460562931. The next prime is 19460562973. The reversal of 19460562945 is 54926506491.

It is not a de Polignac number, because 19460562945 - 2⁷ = 19460562817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1309024 + ... + 1323806.

It is an arithmetic number, because the mean of its divisors is an integer number (532224000).

Almost surely, 2^19460562945 is an apocalyptic number.

19460562945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19460562945 is a deficient number, since it is larger than the sum of its proper divisors (14601773055).

19460562945 is a wasteful number, since it uses less digits than its factorization.

19460562945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14990.

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 19460562945 in words is "nineteen billion, four hundred sixty million, five hundred sixty-two thousand, nine hundred forty-five".