1949015394930 has 32 divisors (see below), whose sum is σ = 4695837888384. Its totient is φ = 517715111936.

The previous prime is 1949015394899. The next prime is 1949015394941. The reversal of 1949015394930 is 394935109491.

It is a super-2 number, since 2×1949015394930² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126387582 + ... + 126403001.

It is an arithmetic number, because the mean of its divisors is an integer number (146744934012).

Almost surely, 2^{1949015394930} is an apocalyptic number.

1949015394930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1949015394930 is an abundant number, since it is smaller than the sum of its proper divisors (2746822493454).

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

1949015394930 is a wasteful number, since it uses less digits than its factorization.

1949015394930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252790850.

The product of its (nonzero) digits is 4723920, while the sum is 57.

The spelling of 1949015394930 in words is "one trillion, nine hundred forty-nine billion, fifteen million, three hundred ninety-four thousand, nine hundred thirty".