3429949731 has 16 divisors (see below), whose sum is σ = 4935114240. Its totient is φ = 2106427680.

The previous prime is 3429949723. The next prime is 3429949769. The reversal of 3429949731 is 1379499243.

It is not a de Polignac number, because 3429949731 - 2³ = 3429949723 is a prime.

It is a super-2 number, since 2×3429949731² = 23529110314373944722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3429949781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70411 + ... + 108708.

It is an arithmetic number, because the mean of its divisors is an integer number (308444640).

Almost surely, 2^3429949731 is an apocalyptic number.

3429949731 is a deficient number, since it is larger than the sum of its proper divisors (1505164509).

3429949731 is a wasteful number, since it uses less digits than its factorization.

3429949731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179626.

The product of its digits is 1469664, while the sum is 51.

The square root of 3429949731 is about 58565.7726919060. The cubic root of 3429949731 is about 1508.0969155525.

The spelling of 3429949731 in words is "three billion, four hundred twenty-nine million, nine hundred forty-nine thousand, seven hundred thirty-one".