1974376963 has 16 divisors (see below), whose sum is σ = 2242240000. Its totient is φ = 1723433760.

The previous prime is 1974376961. The next prime is 1974376967. The reversal of 1974376963 is 3696734791.

It is a happy number.

It is not a de Polignac number, because 1974376963 - 2¹ = 1974376961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1974376961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134038 + ... + 148036.

It is an arithmetic number, because the mean of its divisors is an integer number (140140000).

Almost surely, 2^1974376963 is an apocalyptic number.

1974376963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1974376963 is a deficient number, since it is larger than the sum of its proper divisors (267863037).

1974376963 is a wasteful number, since it uses less digits than its factorization.

1974376963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14602.

The product of its digits is 5143824, while the sum is 55.

The square root of 1974376963 is about 44433.9618197612. The cubic root of 1974376963 is about 1254.5174068683.

The spelling of 1974376963 in words is "one billion, nine hundred seventy-four million, three hundred seventy-six thousand, nine hundred sixty-three".