3977919110954 has 4 divisors (see below), whose sum is σ = 5966878666434. Its totient is φ = 1988959555476.

The previous prime is 3977919110953. The next prime is 3977919110999. The reversal of 3977919110954 is 4590119197793.

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

It can be written as a sum of positive squares in only one way, i.e., 3609342629929 + 368576481025 = 1899827^2 + 607105^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3977919110953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 994479777737 + ... + 994479777740.

Almost surely, 2^{3977919110954} is an apocalyptic number.

3977919110954 is a deficient number, since it is larger than the sum of its proper divisors (1988959555480).

3977919110954 is a wasteful number, since it uses less digits than its factorization.

3977919110954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988959555479.

The product of its (nonzero) digits is 19289340, while the sum is 65.

The spelling of 3977919110954 in words is "three trillion, nine hundred seventy-seven billion, nine hundred nineteen million, one hundred ten thousand, nine hundred fifty-four".