2623157546 has 4 divisors (see below), whose sum is σ = 3934736322. Its totient is φ = 1311578772.

The previous prime is 2623157539. The next prime is 2623157549. The reversal of 2623157546 is 6457513262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6457513262 = 2 ⋅3228756631.

It can be written as a sum of positive squares in only one way, i.e., 1447422025 + 1175735521 = 38045^2 + 34289^2 .

It is a super-2 number, since 2×2623157546² = 13761911022273484232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2623157549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655789385 + ... + 655789388.

Almost surely, 2^2623157546 is an apocalyptic number.

2623157546 is a deficient number, since it is larger than the sum of its proper divisors (1311578776).

2623157546 is a wasteful number, since it uses less digits than its factorization.

2623157546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311578775.

The product of its digits is 302400, while the sum is 41.

The square root of 2623157546 is about 51216.7701636876. The cubic root of 2623157546 is about 1379.1392703732.

The spelling of 2623157546 in words is "two billion, six hundred twenty-three million, one hundred fifty-seven thousand, five hundred forty-six".