1957481401 has 8 divisors (see below), whose sum is σ = 2044002240. Its totient is φ = 1871078352.

The previous prime is 1957481381. The next prime is 1957481419. The reversal of 1957481401 is 1041847591.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1957481401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1957481501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5415 + ... + 62803.

It is an arithmetic number, because the mean of its divisors is an integer number (255500280).

Almost surely, 2^1957481401 is an apocalyptic number.

It is an amenable number.

1957481401 is a deficient number, since it is larger than the sum of its proper divisors (86520839).

1957481401 is a wasteful number, since it uses less digits than its factorization.

1957481401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58895.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 1957481401 is about 44243.4334223735. The cubic root of 1957481401 is about 1250.9286754254.

The spelling of 1957481401 in words is "one billion, nine hundred fifty-seven million, four hundred eighty-one thousand, four hundred one".