6309154972530 has 224 divisors, whose sum is σ = 18039110116608. Its totient is φ = 1582543526400.

The previous prime is 6309154972489. The next prime is 6309154972543. The reversal of 6309154972530 is 352794519036.

6309154972530 is a `hidden beast` number, since 6 + 3 + 0 + 9 + 15 + 4 + 97 + 2 + 530 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 224423175 + ... + 224451285.

It is an arithmetic number, because the mean of its divisors is an integer number (80531741592).

Almost surely, 2^{6309154972530} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6309154972530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9019555058304).

6309154972530 is an abundant number, since it is smaller than the sum of its proper divisors (11729955144078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6309154972530 is a wasteful number, since it uses less digits than its factorization.

6309154972530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29964 (or 29949 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 54.

The spelling of 6309154972530 in words is "six trillion, three hundred nine billion, one hundred fifty-four million, nine hundred seventy-two thousand, five hundred thirty".