3493430157 has 12 divisors (see below), whose sum is σ = 5418381696. Its totient is φ = 1996245720.

The previous prime is 3493430153. The next prime is 3493430197. The reversal of 3493430157 is 7510343943.

It is not a de Polignac number, because 3493430157 - 2² = 3493430153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3493430153) 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, 11882269 + ... + 11882562.

It is an arithmetic number, because the mean of its divisors is an integer number (451531808).

Almost surely, 2^3493430157 is an apocalyptic number.

It is an amenable number.

3493430157 is a deficient number, since it is larger than the sum of its proper divisors (1924951539).

3493430157 is a wasteful number, since it uses less digits than its factorization.

3493430157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23764848 (or 23764841 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 3493430157 is about 59105.2464422576. The cubic root of 3493430157 is about 1517.3438950578.

The spelling of 3493430157 in words is "three billion, four hundred ninety-three million, four hundred thirty thousand, one hundred fifty-seven".