1914888019148 has 24 divisors (see below), whose sum is σ = 3609541264560. Its totient is φ = 883619651520.

The previous prime is 1914888019147. The next prime is 1914888019171. The reversal of 1914888019148 is 8419108884191.

It is a super-2 number, since 2×1914888019148² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1914888019147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3376463 + ... + 3902598.

It is an arithmetic number, because the mean of its divisors is an integer number (150397552690).

Almost surely, 2^{1914888019148} is an apocalyptic number.

It is an amenable number.

1914888019148 is a deficient number, since it is larger than the sum of its proper divisors (1694653245412).

1914888019148 is a wasteful number, since it uses less digits than its factorization.

1914888019148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7284137 (or 7284135 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 62.

The spelling of 1914888019148 in words is "one trillion, nine hundred fourteen billion, eight hundred eighty-eight million, nineteen thousand, one hundred forty-eight".