1970011530 has 40 divisors (see below), whose sum is σ = 5297144292. Its totient is φ = 525336192.

The previous prime is 1970011513. The next prime is 1970011541. The reversal of 1970011530 is 351100791.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1873244961 + 96766569 = 43281^2 + 9837^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1970011494 and 1970011503.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1215247 + ... + 1216866.

Almost surely, 2^1970011530 is an apocalyptic number.

1970011530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1970011530 is an abundant number, since it is smaller than the sum of its proper divisors (3327132762).

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

1970011530 is a wasteful number, since it uses less digits than its factorization.

1970011530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432132 (or 2432123 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 1970011530 is about 44384.8119293075. The cubic root of 1970011530 is about 1253.5921271433.

The spelling of 1970011530 in words is "one billion, nine hundred seventy million, eleven thousand, five hundred thirty".