3970708138530 has 672 divisors, whose sum is σ = 13160961648000. Its totient is φ = 857249132544.

The previous prime is 3970708138487. The next prime is 3970708138543. The reversal of 3970708138530 is 358318070793.

3970708138530 is a `hidden beast` number, since 3 + 9 + 7 + 0 + 70 + 8 + 1 + 38 + 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 335 ways as a sum of consecutive naturals, for example, 3047357859 + ... + 3047359161.

Almost surely, 2^{3970708138530} is an apocalyptic number.

3970708138530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3970708138530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6580480824000).

3970708138530 is an abundant number, since it is smaller than the sum of its proper divisors (9190253509470).

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

3970708138530 is a wasteful number, since it uses less digits than its factorization.

3970708138530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1788 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 3970708138530 in words is "three trillion, nine hundred seventy billion, seven hundred eight million, one hundred thirty-eight thousand, five hundred thirty".