3954157461 has 12 divisors (see below), whose sum is σ = 5712249088. Its totient is φ = 2635787304.

The previous prime is 3954157451. The next prime is 3954157463. The reversal of 3954157461 is 1647514593.

3954157461 is a `hidden beast` number, since 39 + 5 + 4 + 157 + 461 = 666.

It is not a de Polignac number, because 3954157461 - 2¹⁷ = 3954026389 is a prime.

It is a super-2 number, since 2×3954157461² = 31270722452763933042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954157463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71406 + ... + 114048.

Almost surely, 2^3954157461 is an apocalyptic number.

It is an amenable number.

3954157461 is a deficient number, since it is larger than the sum of its proper divisors (1758091627).

3954157461 is a wasteful number, since it uses less digits than its factorization.

3954157461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52952 (or 52949 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 3954157461 is about 62882.0917352468. The cubic root of 3954157461 is about 1581.3135288864.

The spelling of 3954157461 in words is "three billion, nine hundred fifty-four million, one hundred fifty-seven thousand, four hundred sixty-one".