7475097431 has 2 divisors, whose sum is σ = 7475097432. Its totient is φ = 7475097430.

The previous prime is 7475097419. The next prime is 7475097437. The reversal of 7475097431 is 1347905747.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7475097431 - 2⁶ = 7475097367 is a prime.

It is a super-2 number, since 2×7475097431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7475097437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3737548715 + 3737548716.

It is an arithmetic number, because the mean of its divisors is an integer number (3737548716).

Almost surely, 2^7475097431 is an apocalyptic number.

7475097431 is a deficient number, since it is larger than the sum of its proper divisors (1).

7475097431 is an equidigital number, since it uses as much as digits as its factorization.

7475097431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 740880, while the sum is 47.

The square root of 7475097431 is about 86458.6457851382. The cubic root of 7475097431 is about 1955.2649681090.

The spelling of 7475097431 in words is "seven billion, four hundred seventy-five million, ninety-seven thousand, four hundred thirty-one".