3402972247 has 2 divisors, whose sum is σ = 3402972248. Its totient is φ = 3402972246.

The previous prime is 3402972217. The next prime is 3402972281. The reversal of 3402972247 is 7422792043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3402972247 - 2⁷ = 3402972119 is a prime.

It is a super-2 number, since 2×3402972247² = 23160440227704458018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3402972217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1701486123 + 1701486124.

It is an arithmetic number, because the mean of its divisors is an integer number (1701486124).

Almost surely, 2^3402972247 is an apocalyptic number.

3402972247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3402972247 is an equidigital number, since it uses as much as digits as its factorization.

3402972247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 3402972247 is about 58335.0001885660. Note that the first 3 decimals coincide. The cubic root of 3402972247 is about 1504.1326403256.

It can be divided in two parts, 34029 and 72247, that added together give a square (106276 = 326²).

The spelling of 3402972247 in words is "three billion, four hundred two million, nine hundred seventy-two thousand, two hundred forty-seven".