1972960019 has 4 divisors (see below), whose sum is σ = 2076800040. Its totient is φ = 1869120000.

The previous prime is 1972960009. The next prime is 1972960021. The reversal of 1972960019 is 9100692791.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1972960019 - 2⁸ = 1972959763 is a prime.

It is a super-2 number, since 2×1972960019² = 7785142473144960722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1972960009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51919982 + ... + 51920019.

It is an arithmetic number, because the mean of its divisors is an integer number (519200010).

Almost surely, 2^1972960019 is an apocalyptic number.

1972960019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1972960019 is a deficient number, since it is larger than the sum of its proper divisors (103840021).

1972960019 is a wasteful number, since it uses less digits than its factorization.

1972960019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103840020.

The product of its (nonzero) digits is 61236, while the sum is 44.

The square root of 1972960019 is about 44418.0145774212. The cubic root of 1972960019 is about 1254.2172267183.

The spelling of 1972960019 in words is "one billion, nine hundred seventy-two million, nine hundred sixty thousand, nineteen".