1373977950 has 48 divisors (see below), whose sum is σ = 3524975280. Its totient is φ = 353758720.

The previous prime is 1373977949. The next prime is 1373977963. The reversal of 1373977950 is 597793731.

It is a junction number, because it is equal to n+sod(n) for n = 1373977893 and 1373977902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153579 + ... + 162278.

It is an arithmetic number, because the mean of its divisors is an integer number (73436985).

Almost surely, 2^1373977950 is an apocalyptic number.

1373977950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1373977950 is an abundant number, since it is smaller than the sum of its proper divisors (2150997330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1373977950 is a wasteful number, since it uses less digits than its factorization.

1373977950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315901 (or 315896 counting only the distinct ones).

The product of its (nonzero) digits is 1250235, while the sum is 51.

The square root of 1373977950 is about 37067.2085541925. The cubic root of 1373977950 is about 1111.7144595550.

The spelling of 1373977950 in words is "one billion, three hundred seventy-three million, nine hundred seventy-seven thousand, nine hundred fifty".