3915438151 has 4 divisors (see below), whose sum is σ = 3915762904. Its totient is φ = 3915113400.

The previous prime is 3915438101. The next prime is 3915438157. The reversal of 3915438151 is 1518345193.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3915438151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3915438157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143565 + ... + 168646.

It is an arithmetic number, because the mean of its divisors is an integer number (978940726).

Almost surely, 2^3915438151 is an apocalyptic number.

3915438151 is a deficient number, since it is larger than the sum of its proper divisors (324753).

3915438151 is a wasteful number, since it uses less digits than its factorization.

3915438151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324752.

The product of its digits is 64800, while the sum is 40.

The square root of 3915438151 is about 62573.4620346357. The cubic root of 3915438151 is about 1576.1351555898.

The spelling of 3915438151 in words is "three billion, nine hundred fifteen million, four hundred thirty-eight thousand, one hundred fifty-one".