1946949494 has 32 divisors (see below), whose sum is σ = 3666055680. Its totient is φ = 756119232.

The previous prime is 1946949491. The next prime is 1946949553. The reversal of 1946949494 is 4949496491.

It is a super-2 number, since 2×1946949494² = 7581224664373712072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1946949491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152999 + ... + 165234.

It is an arithmetic number, because the mean of its divisors is an integer number (114564240).

Almost surely, 2^1946949494 is an apocalyptic number.

1946949494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1946949494 is a deficient number, since it is larger than the sum of its proper divisors (1719106186).

1946949494 is a wasteful number, since it uses less digits than its factorization.

1946949494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318284.

The product of its digits is 10077696, while the sum is 59.

The square root of 1946949494 is about 44124.2506338635. The cubic root of 1946949494 is about 1248.6811677546.

The spelling of 1946949494 in words is "one billion, nine hundred forty-six million, nine hundred forty-nine thousand, four hundred ninety-four".