30620503136413 has 16 divisors (see below), whose sum is σ = 32538399798960. Its totient is φ = 28760364057600.

The previous prime is 30620503136341. The next prime is 30620503136417. The reversal of 30620503136413 is 31463130502603.

It can be written as a sum of positive squares in 8 ways, for example, as 1319966614404 + 29300536522009 = 1148898^2 + 5412997^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30620503136413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30620503136417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3339603 + ... + 8508463.

It is an arithmetic number, because the mean of its divisors is an integer number (2033649987435).

Almost surely, 2^{30620503136413} is an apocalyptic number.

It is an amenable number.

30620503136413 is a deficient number, since it is larger than the sum of its proper divisors (1917896662547).

30620503136413 is a wasteful number, since it uses less digits than its factorization.

30620503136413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174448.

The product of its (nonzero) digits is 116640, while the sum is 37.

The spelling of 30620503136413 in words is "thirty trillion, six hundred twenty billion, five hundred three million, one hundred thirty-six thousand, four hundred thirteen".