1972354419 has 72 divisors (see below), whose sum is σ = 3397135248. Its totient is φ = 1099163520.

The previous prime is 1972354411. The next prime is 1972354421. The reversal of 1972354419 is 9144532791.

1972354419 is a `hidden beast` number, since 1 + 97 + 2 + 3 + 544 + 19 = 666.

It is not a de Polignac number, because 1972354419 - 2³ = 1972354411 is a prime.

It is a super-2 number, since 2×1972354419² = 7780363908297655122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1972354411) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4223224 + ... + 4223690.

It is an arithmetic number, because the mean of its divisors is an integer number (47182434).

Almost surely, 2^1972354419 is an apocalyptic number.

1972354419 is a deficient number, since it is larger than the sum of its proper divisors (1424780829).

1972354419 is a wasteful number, since it uses less digits than its factorization.

1972354419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 695 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 1972354419 is about 44411.1970003061. The cubic root of 1972354419 is about 1254.0888862766.

The spelling of 1972354419 in words is "one billion, nine hundred seventy-two million, three hundred fifty-four thousand, four hundred nineteen".