1972980505 has 8 divisors (see below), whose sum is σ = 2367862272. Its totient is φ = 1578193968.

The previous prime is 1972980487. The next prime is 1972980533. The reversal of 1972980505 is 5050892791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1972980505 - 2⁷ = 1972980377 is a prime.

It is a super-2 number, since 2×1972980505² = 7785304146220110050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34974 + ... + 71896.

It is an arithmetic number, because the mean of its divisors is an integer number (295982784).

Almost surely, 2^1972980505 is an apocalyptic number.

It is an amenable number.

1972980505 is a deficient number, since it is larger than the sum of its proper divisors (394881767).

1972980505 is a wasteful number, since it uses less digits than its factorization.

1972980505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47615.

The product of its (nonzero) digits is 226800, while the sum is 46.

The square root of 1972980505 is about 44418.2451814567. The cubic root of 1972980505 is about 1254.2215677093.

The spelling of 1972980505 in words is "one billion, nine hundred seventy-two million, nine hundred eighty thousand, five hundred five".