7494861431 has 2 divisors, whose sum is σ = 7494861432. Its totient is φ = 7494861430.

The previous prime is 7494861427. The next prime is 7494861433. The reversal of 7494861431 is 1341684947.

It is a strong prime.

It is an emirp because it is prime and its reverse (1341684947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7494861431 - 2² = 7494861427 is a prime.

It is a super-2 number, since 2×7494861431² (a number of 21 digits) contains 22 as substring.

Together with 7494861433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7494861433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3747430715 + 3747430716.

It is an arithmetic number, because the mean of its divisors is an integer number (3747430716).

Almost surely, 2^7494861431 is an apocalyptic number.

7494861431 is a deficient number, since it is larger than the sum of its proper divisors (1).

7494861431 is an equidigital number, since it uses as much as digits as its factorization.

7494861431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 47.

The square root of 7494861431 is about 86572.8677531246. The cubic root of 7494861431 is about 1956.9866780612.

The spelling of 7494861431 in words is "seven billion, four hundred ninety-four million, eight hundred sixty-one thousand, four hundred thirty-one".