7426625687131 has 4 divisors (see below), whose sum is σ = 8487572213872. Its totient is φ = 6365679160392.

The previous prime is 7426625687101. The next prime is 7426625687141. The reversal of 7426625687131 is 1317865266247.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7426625687131 is a prime.

It is a super-2 number, since 2×7426625687131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7426625687101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530473263360 + ... + 530473263373.

It is an arithmetic number, because the mean of its divisors is an integer number (2121893053468).

Almost surely, 2^{7426625687131} is an apocalyptic number.

7426625687131 is a deficient number, since it is larger than the sum of its proper divisors (1060946526741).

7426625687131 is a wasteful number, since it uses less digits than its factorization.

7426625687131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060946526740.

The product of its digits is 20321280, while the sum is 58.

The spelling of 7426625687131 in words is "seven trillion, four hundred twenty-six billion, six hundred twenty-five million, six hundred eighty-seven thousand, one hundred thirty-one".