11625421739 has 2 divisors, whose sum is σ = 11625421740. Its totient is φ = 11625421738.

The previous prime is 11625421673. The next prime is 11625421747. The reversal of 11625421739 is 93712452611.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11625421739 is a prime.

It is a super-2 number, since 2×11625421739² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11625421696 and 11625421705.

It is not a weakly prime, because it can be changed into another prime (11625421439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5812710869 + 5812710870.

It is an arithmetic number, because the mean of its divisors is an integer number (5812710870).

Almost surely, 2^11625421739 is an apocalyptic number.

11625421739 is a deficient number, since it is larger than the sum of its proper divisors (1).

11625421739 is an equidigital number, since it uses as much as digits as its factorization.

11625421739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The spelling of 11625421739 in words is "eleven billion, six hundred twenty-five million, four hundred twenty-one thousand, seven hundred thirty-nine".